Several vulnerabilities have been discovered in the Linux kernel that
may lead to a denial of service or privilege escalation. The Common
Vulnerabilities and Exposures project identifies the following problems:

Ang Way Chuang reported an issue in the DVB subsystem for Digital
TV adapters. By creating a specially-encoded MPEG2-TS frame, a remote
attacker could cause the receiver to enter an endless loop, resulting
in a denial of service.

Chris Guo from Nokia China and Jukka Taimisto and Olli Jarva from
Codenomicon Ltd reported an issue in the SCTP subsystem that allows
a remote attacker to cause a denial of service using a malformed init
package.

Toshiyuki Okajima reported a race condition in the keyring subsystem.
Local users can cause memory corruption via keyctl commands that
access a keyring in the process of being deleted, resulting in a
denial of service.

Wufei reported an issue with kgdb on the PowerPC architecture,
allowing local users to write to kernel memory. Note: this issue
does not affect binary kernels provided by Debian. The fix is
provided for the benefit of users who build their own kernels
from Debian source.